Home / 702,236,918,699.20-969,086,194,889.04-381,452,993,502.40

Finding the Fourth Proportional to 702,236,918,699.20, 969,086,194,889.04 and 381,452,993,502.40

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Solution

The fourth proportional to 702,236,918,699.20, 969,086,194,889.04 and 381,452,993,502.40 is: 526,404,722,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,236,918,699.20 : 969,086,194,889.04 = 381,452,993,502.40 : x
  2. Step 2: Convert to fraction form
    702,236,918,699.20/969,086,194,889.04 = 381,452,993,502.40/x
  3. Step 3: Cross multiply
    702,236,918,699.20x = 969,086,194,889.04 × 381,452,993,502.40
  4. Step 4: Simplify right side
    702,236,918,699.20x = 369,660,830,002,274,554,085,376
  5. Step 5: Solve for x
    x = 369,660,830,002,274,554,085,376/702,236,918,699.20
  6. Step 6: Final answer
    x = 526,404,722,051.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.